Evidence of introgression between masked shrews (Sorex cinereus), and prairie shrews (S. haydeni), in Minnesota

Anja K. Brunet; Robert M. Zink; Kristin M. Kramer; Rachelle C. Blackwell-Rago; Shannon L. Farrell; Theresa V. Line; Elmer C. Birney

doi:10.1674/0003-0031(2002)147[0116:EOIBMS]2.0.CO;2

Evidence of introgression between masked shrews (Sorex cinereus), and prairie shrews (S. haydeni), in Minnesota

Anja K. Brunet, Robert M. Zink, Kristin M. Kramer, Rachelle C. Blackwell-Rago, Shannon L. Farrell, Theresa V. Line, Elmer C. Birney

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Abstract

Several studies support specific status for the prairie form of Sorex cinereus, designated as S. haydeni. Evidence for introgression between these species has been found in Alberta, despite significant sequence differences (>15%) in mitochondrial DNA. Using mtDNA and morphological criteria, we identified to species 94 masked shrews to assess the distribution of these two species in Minnesota and to examine the extent of introgression in zones of sympatry. Only four specimens scored genetically and morphologically as S. haydeni, indicating a restricted distribution. Four specimens had incongruent genetic and morphological identifications, suggesting introgression between the two species.

Original language	English (US)
Pages (from-to)	116-122
Number of pages	7
Journal	American Midland Naturalist
Volume	147
Issue number	1
DOIs	https://doi.org/10.1674/0003-0031(2002)147[0116:EOIBMS]2.0.CO;2
State	Published - 2002

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title = "Evidence of introgression between masked shrews (Sorex cinereus), and prairie shrews (S. haydeni), in Minnesota",

abstract = "Several studies support specific status for the prairie form of Sorex cinereus, designated as S. haydeni. Evidence for introgression between these species has been found in Alberta, despite significant sequence differences (>15%) in mitochondrial DNA. Using mtDNA and morphological criteria, we identified to species 94 masked shrews to assess the distribution of these two species in Minnesota and to examine the extent of introgression in zones of sympatry. Only four specimens scored genetically and morphologically as S. haydeni, indicating a restricted distribution. Four specimens had incongruent genetic and morphological identifications, suggesting introgression between the two species.",

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AU - Brunet, Anja K.

AU - Zink, Robert M.

AU - Kramer, Kristin M.

AU - Blackwell-Rago, Rachelle C.

AU - Farrell, Shannon L.

AU - Line, Theresa V.

AU - Birney, Elmer C.

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N2 - Several studies support specific status for the prairie form of Sorex cinereus, designated as S. haydeni. Evidence for introgression between these species has been found in Alberta, despite significant sequence differences (>15%) in mitochondrial DNA. Using mtDNA and morphological criteria, we identified to species 94 masked shrews to assess the distribution of these two species in Minnesota and to examine the extent of introgression in zones of sympatry. Only four specimens scored genetically and morphologically as S. haydeni, indicating a restricted distribution. Four specimens had incongruent genetic and morphological identifications, suggesting introgression between the two species.

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Evidence of introgression between masked shrews (Sorex cinereus), and prairie shrews (S. haydeni), in Minnesota

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